Reaktor

Senior Native Mobile Developer - iOS or Android | Retail

Reaktor
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27 days ago
Helsinki, Finland +2 moreSenior

Responsibilities

  • Develop native mobile applications for iOS or Android retail client projects.
  • Build polished mobile user interfaces with high-performance animations.
  • Work on mobile SDKs, integrations, analytics, advertising, or attribution frameworks as required by client projects.
  • Collaborate with clients and stakeholders, clarify requirements, and guide technical and business teams in technology selection.
  • Drive initiatives across client organizations and contribute to architectural decisions and long-term technical direction.
  • Participate in discovery, concepting, and iterative delivery in addition to implementation.
  • Own testing, debugging, monitoring, troubleshooting, and production quality across the development lifecycle.
  • Use backend, API, database, or cloud infrastructure knowledge when projects extend beyond mobile development.

Requirements

  • Strong professional experience in native iOS development using Swift and/or Objective-C.
  • Strong professional experience in native Android development using Kotlin and/or Java.
  • Several years of professional experience building sufficient depth across both mobile ecosystems.
  • Experience taking ownership of testing throughout implementation and release.
  • Experience with production app monitoring and troubleshooting.
  • Experience engaging multiple stakeholders to solve challenging and ambiguous problems.
  • Fluent written and verbal English.
  • Experience with SwiftUI and/or Jetpack Compose is preferred.
  • Experience with reactive programming and Flutter is preferred.
  • Experience distributing beta versions and publishing apps through the App Store and Google Play is preferred.
  • Familiarity with backend development, APIs, databases, or cloud infrastructure is preferred.
  • Interest in polished animations and collaboration with Motion Designers is preferred.
  • Finnish language skills are a plus.

Benefits

  • Hybrid work across Reaktor offices, client premises, and remote locations.
  • Choice of working approaches, technologies, and methodologies with the client and team.
  • Supportive, experienced, and considerate professional community.
  • Work-life balance support, including a free moving day, Reaktor car share, sick child care services, and office space for private events.
  • Internal training courses, community events, tech and design discussions, and opportunities for extended academy-like studies such as Cloud Academy.
  • Access to 300+ supported hobby clubs and community activities.

Tech Stack

FlutteriOSJavaJetpack ComposeKotlinObjective-CSwiftSwiftUI

Categories

Mobile
Reaktor

About Reaktor

501-1,000 employees

Reaktor is a privately held global technology consultancy that designs and builds digital products, software systems, and data/AI solutions for enterprise clients. It provides end-to-end consulting, engineering, and digital transformation services on a project basis, with notable customers including adidas, HBO, KONE, Cathay Pacific, and Supercell. Founded in 2000 and headquartered in Helsinki, it operates offices across Europe, North America, and Asia.

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